.max_div{
 margin-top: 20px;
 /*border:1px solid red;*/
 width: 900px;
}
.max_div h2{
	text-align: center;
	font-size: 30px;
	margin-bottom: 20px;
}
body{
    	background-image: url(../layui/images/8.jpg);
    	background-repeat: no-repeat;
    	background-position: 920px 20px;
    	background-color: #E0EEEE;
 
    }
.table-hover tr{
	height:30px;
	
}